Mini patcher for patching potholes and the like and method for performing same
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United States of America Patent
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Jul 28, 2015
Grant Date -
Oct 9, 2014
app pub date -
Jul 28, 2011
filing date -
Jul 28, 2010
priority date (Note) -
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Abstract
A patcher capable of performing patching operations even when operating in confined spaces and having a pressurized aggregate storage tank and driving devices for opening and air-tightly closing the tank lid and locking/unlocking the tank lid in proper sequence. Tandem linear accelerators control the flow of aggregate from the tank to a dispensing outlet. An articulated boom assembly is operated to position an aggregate dispenser over the repair location. The boom assembly is movable to a vertical position to prevent the assembly from extending beyond the right and left sides of the patcher to provide a safe condition when travelling during a non-patching operating mode. All of the electrically-operated devices on the patcher derive energy from a common battery pack which is charged by the patcher engine during a non-patching mode and alternatively during a patching mode when the stored energy in the battery pack drops below a given threshold.
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